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Eur J Vasc Endovasc Surg. 2019 Apr;57(4):527-536. doi: 10.1016/j.ejvs.2018.11.010. Epub 2019 Mar 23.

Editor's Choice - Diabetic Limb Salvage With Endovascular Revascularisation and Free Tissue Transfer: Long-Term Follow up.

Author information

1
Division of Cardiovascular Surgery, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Taiwan.
2
School of Medicine, Tzu Chi University, Hualien, Taiwan; Division of Plastic Surgery, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Taiwan.
3
School of Medicine, Tzu Chi University, Hualien, Taiwan; Division of Plastic Surgery, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Taiwan. Electronic address: hondahsu@yahoo.com.tw.
4
Division of Plastic Surgery, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Taiwan.

Abstract

OBJECTIVE:

Combining vascular bypass surgery with free flap coverage is one of the treatment methods for complex soft tissue defects in the ischaemic lower limb. Endovascular revascularisation has become the first line treatment for limb ischaemia in many centres. Surgeons now perform free tissue transfer after angioplasty. The early and long-term limb salvage rate in diabetic patients who had undergone infrapopliteal endovascular revascularisation and free flap reconstruction are assessed.

METHODS:

This was retrospective study of all consecutive diabetic patients who had undergone endovascular revascularisation with free flap reconstruction for lower limb salvage between 2008 and 2014. They were followed up for at least 2 years or to death (mean follow up 39 ± 17 months). Cox regression analysis was used to analyse variables influencing outcome.

RESULTS:

There were 55 patients who had undergone 60 procedures. Five patients had undergone the procedure to the contralateral leg. All tissue lesions were Wagner-Meggit classification Grades 3 or 4. Thirty-six patients had TASC C lesions and 24 patients with TASC D lesions. Combined below knee triple vessel disease was seen in 30% of the cases, 28% involved both the anterior and posterior tibial artery, 7% and 2% involved the anterior tibial or the posterior tibial and the peroneal arteries. The free flap success rate was 95%. The peri-operative mortality was 1.7%. Twenty-one cases required surgical re-intervention. Mean length of hospital admission was 32 ± 9 days. One and five year amputation free survival rates were 94% and 68%, patient survival rates were 95% and 67%, limb salvage rates were 93% and 91% and respectively.

CONCLUSIONS:

The results show that excellent early and late limb salvage can be achieved with free tissue transfer based on endovascular revascularisation of infrapopliteal arteries. This can be a further treatment option in diabetic patients with complex soft tissue defects.

KEYWORDS:

Angioplasty; Diabetes mellitus; Free tissue flaps; Limb; Lower extremity

PMID:
30910496
DOI:
10.1016/j.ejvs.2018.11.010

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